package thinkinjava4.ch10;

public interface ClassInInterface {
    void howdy();

    class Test implements ClassInInterface {

        @Override
        public void howdy() {
            System.out.println("Howdy!");
        }

        public static void main(String[] args) {
            new Test().howdy();
        }
    }


    /**
     * 内部类实现多继承
     */
    class A {
        class B extends C {
        }

        class E extends D {
        }
    }

    class C {
    }

    class D {
    }
}
